[INFO] fetching crate slack-http-verifier 0.1.2...
[INFO] checking slack-http-verifier-0.1.2 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate slack-http-verifier 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate slack-http-verifier 0.1.2 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slack-http-verifier 0.1.2
[INFO] finished tweaking crates.io crate slack-http-verifier 0.1.2
[INFO] tweaked toml for crates.io crate slack-http-verifier 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0510943f6edd732ae5ea3588ef05146106fa788aadf91a760bd36db6d5955a5e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0510943f6edd732ae5ea3588ef05146106fa788aadf91a760bd36db6d5955a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0510943f6edd732ae5ea3588ef05146106fa788aadf91a760bd36db6d5955a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0510943f6edd732ae5ea3588ef05146106fa788aadf91a760bd36db6d5955a5e", kill_on_drop: false }`
[INFO] [stdout] 0510943f6edd732ae5ea3588ef05146106fa788aadf91a760bd36db6d5955a5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01ec4540c6331c2f60b9aea97cbf7bbb3aea7b2ba6ac0b260c14a7a47b609f5e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "01ec4540c6331c2f60b9aea97cbf7bbb3aea7b2ba6ac0b260c14a7a47b609f5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking openssl-sys v0.9.60
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking openssl v0.10.32
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking native-tls v0.2.7
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking slack-http-verifier v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "01ec4540c6331c2f60b9aea97cbf7bbb3aea7b2ba6ac0b260c14a7a47b609f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01ec4540c6331c2f60b9aea97cbf7bbb3aea7b2ba6ac0b260c14a7a47b609f5e", kill_on_drop: false }`
[INFO] [stdout] 01ec4540c6331c2f60b9aea97cbf7bbb3aea7b2ba6ac0b260c14a7a47b609f5e